{"id":4267,"date":"2022-09-20T12:21:11","date_gmt":"2022-09-20T10:21:11","guid":{"rendered":"https:\/\/nem.health\/?p=4267"},"modified":"2024-01-05T12:48:47","modified_gmt":"2024-01-05T11:48:47","slug":"metformin-aging-and-the-miracle-drug","status":"publish","type":"post","link":"https:\/\/nem.health\/en\/metformin-aging-and-the-miracle-drug\/","title":{"rendered":"Metformin \u2013 Aging and the \u201cMiracle\u201d drug"},"content":{"rendered":"\n<p><em>The drug Metformin has had a lot of buzz around it ever since it was announced that trials would be done to try and name it the world\u2019s first anti-aging drug. Leading researchers active in the fields of Gerontology, like David Sinclair, have publicly said that they\u2019re taking it to reverse the aging process in their bodies. However, it is important to look past the hype. What is the scientific process behind drug testing? Why is Metformin being tested? And why is it always important to look at the evidence instead of the excitement?<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>The process of approving drugs<\/strong><\/h2>\n\n\n\n<p>Drugs must be approved before they can be prescribed to patients. In the US, the body that approves drugs is the FDA (the Food &amp; Drug Administration) whilst in Europe it\u2019s the EMA (the European Medical Agency). EMA works closely with the national medical agencies of every EU membership state. Clinical trials are part of this approval process and take place so that we can scientifically work out if a medicine is safe and effective.<\/p>\n\n\n\n<p>Clinical trials are the final parts of the drug discovery process. It goes from initial chemical development of the drug through testing how the drug reacts in a petri dish followed by studies in animal models. This means that by the time a clinical trial occurs, a lot of information is already known about the drug in question. The final stage to test the efficiency and safety of the drug in humans is done by performing clinical trials. To be as safe as possible, human clinical trials are designed to occur in different phases.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>The 3 phases of human clinical trials<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>The first phase<\/strong>&nbsp;tests the drugs in a small group of healthy human volunteers. The emphasis at this stage is safety which is why the subjects are given a very low dose at first. This so that if any side effects occur, they are as minor as possible. Once the eventual side effects at a low dose have been found, the dosage is then gradually increased. The initial stages of drug testing will have given the scientists an idea of what dosage of the drug is likely to be effective and what the maximum dose of the drug is before it becomes toxic i.e., the maximal tolerable dose.<\/li>\n\n\n\n<li><strong>In the second stage<\/strong>&nbsp;the drug is used to treat a larger group of people (perhaps 100-300) who are ill with the disease that the drug is designed to treat. This stage checks how the drug affects people who are not completely healthy. The emphasis of this stage is to measure the effectiveness and short-term safety of the drug.<\/li>\n\n\n\n<li><strong>The third stage<\/strong>&nbsp;tests the drug on at least 500 people, and up to a few thousand patients. It is most often a double-blind clinical study that compares the drug as a treatment option against the standard treatment of the disease or against a placebo. This is done to demonstrate the true effectiveness of the drug, and to measure the safety in a larger group of people, where there are likely to be a wider range of populations with more genetic and individual differences between them.<\/li>\n<\/ol>\n\n\n\n<p>The above summary represents the standard pathway for a brand-new drug. However, there are lots of situations where a clinical trial might need to take place, despite already being approved for use in some areas. An example of this is the drug Metformin.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Metformin \u2013 the world\u2019s first anti-aging drug?<\/strong><\/h2>\n\n\n\n<p>Metformin has been used as a drug to treat type 2 Diabetes for nearly 60 years&nbsp;(1). Although the exact pharmacodynamic mechanisms are not fully understood, Metformin works in general by stopping the body from absorbing more glucose from the food that we eat, whilst also increasing the glucose uptake to the cells&nbsp;(2). This improves insulin sensitivity \u2013 an&nbsp;<em>insensitivity to insulin<\/em>&nbsp;is a hallmark of diabetes&nbsp;(2).<\/p>\n\n\n\n<p>However, in recent years investigations on Metformin as a potential drug to slow down the aging process have started to take place. This since there are possible synergies with how Metformin acts on diabetes symptoms that could also have a positive effect on some of the hallmarks of aging, such as nutrient sensitivity&nbsp;(3). It is gaining much attention because it is an incredibly cheap drug that could be available to a widespread population, if approved for that indication&nbsp;(4).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Off-label usage of drugs<\/strong><\/h3>\n\n\n\n<p>In 2021 The World Health Organisation partially recognised aging as a cause of disease, which is the first step in aging being recognised as an \u201cindication\u201d&nbsp;(5). An indication is the disease or condition that a drug is intended for. When the medication is used for other indications than the approved ones, it is called \u201coff-label usage\u201d.<\/p>\n\n\n\n<p>There are some medical situations where this is acceptable, but it can lead to dangerous unintended consequences. For example, the Thalidomide tragedy occurred when a drug that was originally used as a sleeping pill started to be recommended as a morning sickness pill for pregnant women, leading to severe birth defects.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Targeting aging with Metformin<\/strong><\/h3>\n\n\n\n<p>Metformin is currently approved as a diabetes treatment option in diabetic patients because it has an affect on the glucose levels of the body. However, it is not approved to treat aging, and it must be investigated whether Metformin can be regularly and safely used by non-diabetics. The clinical trial that will look into this is called the TAME trial, or the&nbsp;<em>Targeting Aging with Metformin<\/em>&nbsp;trial. The TAME trial will specifically look at using Metformin to holistically treat age-related comorbidities (diseases that occur at the same time as aging) like cardiovascular disease and cancer&nbsp;(6).<\/p>\n\n\n\n<p>Metformin must treat age-related comorbidities instead of aging itself to be allowed by the FDA. However, according to the Principal Investigator of the TAME trial, Nir Barzilai, it doesn\u2019t matter what they call it \u2013 if the drug can increase the number of healthy years in people\u2019s lives, then it will have reached its potential&nbsp;(7).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Extending health span \u2013 not lifespan?<\/strong><\/h3>\n\n\n\n<p>However, the path ahead isn\u2019t straight forward. Whilst most of the evidence has suggested that Metformin can extend the health span in an individual, it hasn\u2019t yet been shown that it can extend an individual\u2019s lifespan. In addition, there is research that suggests it might not be healthy to give it to older people.<\/p>\n\n\n\n<p>It was found that when Metformin was administered to older animals it exacerbated the age-related dysfunction of the mitochondria (the powerhouses of the cell) and led to an increase in respiratory failure\u00a0(8). This does not necessarily mean that the same thing will happen to humans, but it is an important reminder that Metformin\u2019s ability to treat diabetes does not mean that it is guaranteed to treat aging with the same capacity.<\/p>\n\n\n\n<p>\u00a0<\/p>\n<div class=\"author-box\">\n<div class=\"author-bio\">\n<h4><strong>A long and healthy life without drugs?<\/strong><\/h4>\n<p>Metformin was chosen because of its safety, ahead of other potentially more efficacious drugs. The results of the TAME trial could be incredibly promising, but this is a promise not a guarantee. It is vital that the scientific process is not disregarded just because of the excitement surrounding the drug and its potentially huge effects on our healthcare system. <p>\n\nThere are plenty of ways to increase your chance of a long and healthy life without drugs, especially with NEM\u2019s help. We can give you guidance on what lifestyle factors you should consider, and how you should optimize your health to stay in peak physical and mental condition for as long as possible. Explore our membership and learn more <p>\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/nem.health\/en\/membership\/\">Explore our membership<\/a><\/div>\n\n<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"author-box\">\n<figure><img decoding=\"async\" class=\"alignnone size-thumbnail wp-image-5403\" src=\"https:\/\/nem.health\/wp-content\/uploads\/2022\/11\/Grace-Marshall.jpeg\" alt=\"Grace Marshall\" width=\"150\" height=\"150\"><\/figure><div class=\"author-image\"><\/div>\n<div class=\"author-bio\">\n<h4>Grace Marshall MSc<\/h4>\n<p>Bioentrepreneurship<br>Nordic Executive Medicine<\/p>\n<div class=\"et_pb_social_media_follow_network_2_tb_footer et_pb_social_icon et_pb_social_network_link et-social-linkedin\"><a class=\"icon et_pb_with_border\" title=\"F\u00f6lj p\u00e5 LinkedIn\" href=\"https:\/\/www.linkedin.com\/in\/gracehelenmarshall\/\" target=\"_blank\" rel=\"noopener\"><span class=\"et_pb_social_media_follow_network_name\" aria-hidden=\"true\">LinkedIn<\/span><\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span lang=\"EN-GB\">References<\/span><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Bailey CJ. Metformin: historical overview. Diabetologia. 2017 Sep;60(9):1566\u201376.<\/li>\n\n\n\n<li>Rojas LBA, Gomes MB. Metformin: an old but still the best treatment for type 2 diabetes. Diabetol Metab Syndr. 2013 Feb 15;5(1):6.<\/li>\n\n\n\n<li>Kulkarni AS, Gubbi S, Barzilai N. Benefits of Metformin in Attenuating the Hallmarks of Aging. Cell Metab. 2020 Jul 7;32(1):15\u201330.<\/li>\n\n\n\n<li>John M. Eisenberg Center for Clinical Decisions, Communications Science. [Table], Average Wholesale Prices for Diabetes Medicines. Agency for Healthcare Research and Quality (US); 2011.<\/li>\n\n\n\n<li>ICD-11 for Mortality and Morbidity Statistics [Internet]. 2021 [cited 2022 Jan 26]. Available from:&nbsp;https:\/\/icd.who.int\/browse11\/l-m\/en#\/http%3a%2f%2fid.who.int%2ficd%2fentity%2f459275392<\/li>\n\n\n\n<li>TAME \u2013 Targeting Aging with Metformin [Internet]. American Federation for Aging Research. [cited 2022 Jan 26]. Available from:&nbsp;https:\/\/www.afar.org\/tame-trial<\/li>\n\n\n\n<li>Hall S. Feature: The man who wants to beat back&nbsp;aging. Science [Internet]. 2015 Sep 16; Available from:&nbsp;https:\/\/www.science.org\/do\/10.1126\/science.aad1764\/abs\/<\/li>\n\n\n\n<li>Espada L, Dakhovnik A, Chaudhari P, Martirosyan A, Miek L, Poliezhaieva T, et al. Loss of metabolic plasticity underlies Metformin toxicity in aged Caenorhabditis elegans. Nat Metab. 2020 Nov;2(11):1316\u201331.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>The drug Metformin has had a lot of buzz around it ever since it was announced that trials would be done to try and name it the world\u2019s first anti-aging drug. Leading researchers active in the fields of Gerontology, like David Sinclair, have publicly said that they\u2019re taking it to reverse the aging process in [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":8601,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-4267","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-health"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Metformin \u2013 Aging and the \u201cMiracle\u201d drug - nem.health<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nem.health\/en\/metformin-aging-and-the-miracle-drug\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Metformin \u2013 Aging and the \u201cMiracle\u201d drug - nem.health\" \/>\n<meta property=\"og:description\" content=\"The drug Metformin has had a lot of buzz around it ever since it was announced that trials would be done to try and name it the world\u2019s first anti-aging drug. 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